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| Criterion |  UX Research Usability Testing |  UX Research First-click Testing |  Operations 8D Problem Solving |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-2 h je Session | 1-2 Tage | 1-6 Wochen |
Participantsdifferent | Based on research question | 10-30 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Click Heatmap, Success Rate, Design Recommendations | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ValidationUXPrototype | UXNavigationFindabilityValidation | QualityProblem solvingRoot cause |
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